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%I #13 May 26 2018 08:44:10
%S 2,3,10,105,462,5005,72930,4849845,74364290,646969323,18232771830,
%T 1236789689135,23403866425170,934482952262145,40992652172566094,
%U 16294579238595022365,113103550009071331710,19548063559901161830545
%N a(n) = A076926(n)/n.
%F a(n) = denominator(n*sum(1/prime(k), k=1..n)). [_Gary Detlefs_, Dec 06 2011]
%p seq(lcm(product(ithprime(i),i=1..j),j)/j,j=1..40);
%o (PARI) a(n) = denominator(n*sum(k=1, n, 1/prime(k))); \\ _Michel Marcus_, May 26 2018
%Y Cf. A076926.
%K nonn
%O 1,1
%A _Amarnath Murthy_, Oct 17 2002
%E Corrected and extended by _Sascha Kurz_, Jan 03 2003
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